diff --git a/Project.toml b/Project.toml
index 2f56ebf..b773769 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "RateTables"
 uuid = "d40fb65e-c2ee-4113-9e14-cb96ca0acb32"
 authors = ["Oskar Laverny <oskar.laverny@univ-amu.fr> and contributors"]
-version = "0.2.0"
+version = "0.2.1"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
diff --git a/src/RateTable.jl b/src/RateTable.jl
index 8a9cd1f..64dd54b 100644
--- a/src/RateTable.jl
+++ b/src/RateTable.jl
@@ -102,7 +102,7 @@ Base.getindex(rt::RateTable, args...)   = rt.map[args]
 Base.getindex(rt::RateTable; kwargs...) = getindex(rt, collect(kwargs[n] for n in keys(rt.axes))...)
 
 # Helper function. 
-dty(t,minval,maxval) = min(Int(trunc(t*RT_YEARS_IN_DAY))-minval+1,maxval-minval+1)
+dty(t,minval,maxval) = clamp(Int(trunc(t*RT_YEARS_IN_DAY))-minval+1, 1, maxval-minval+1)
 
 """
     daily_hazard(rt::BasicRateTable, age, date)
diff --git a/test/runtests.jl b/test/runtests.jl
index 833a323..9438710 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -67,6 +67,10 @@ using RData
             @test e+a <= 120*365.241
         end
     end
+
+    @testset "Dont go out of bound" begin
+        daily_hazard(survexp_fr[:male], 20*365.241, (survexp_fr[:male].extrema_year[1]-1)*365.241+12)
+    end
 end